Sony alpha DSLR-A500 - Manual (Page 90)

90
The flash range
The range of the built-in flash depends on the ISO sensitivity and aperture
value. Refer to the following table.
The AF illuminator
• AF illuminator does not operate when [Autofocus mode] is set to
(Continuous AF) or the subject is moving in (Automatic AF). (The
or indicator lights.)
• The AF illuminator may not operate with focal lengths of 300 mm or longer.
• When an external flash (sold separately) is attached, the AF illuminator of
the external flash is used.
• AF illuminator does not operate when [Smile Shutter] is set to [On].
To deactivate the AF illuminator
MENU button t 1 t [AF illuminator] t [Off]
To use the red-eye reduction
The red-eye reduction reduces the red-eye phenomenon by providing pre-
flash (low-flash light) a few times before shooting when using the flash.
MENU button t 1 t [Red eye reduc.] t [On]
Aperture F2.8 F4.0 F5.6
ISO
setting 200 1 – 6 m (3.3 – 20
feet) 1 – 4.3 m (3.3 – 14
feet) 1 – 3 m (3.3 – 9.8
feet)
400 1.4 – 8.6 m (4.6 – 28
feet) 1 – 6 m (3.3 – 20
feet) 1 – 4.3 m (3.3 – 14
feet)
800 2 – 12 m (6.6 – 39
feet) 1.4 – 8.6 m (4.6 – 28
feet) 1 – 6 m (3.3 – 20
feet)